During GUADEC this year I gave a presentation called Replacing C library code with Rust: what I learned with librsvg. This is the PDF file; be sure to scroll past the full-page presentation pages until you reach the speaker's notes, especially for the code sections!
You can also get the ODP file for the presentation. This is released under a CC-BY-SA license.
For the presentation, my daughter Luciana made some drawings of Ferris, the Rust mascot, also released under the same license:
